| Identification | Back Directory | [Name]
trisodium 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonate | [CAS]
6420-22-0 | [Synonyms]
C.I.23820
Direct Blue 295
Benzo Navy Blue BM
C.I.Direct Blue 295:C.I.23820
trisodium 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonate
Trisodium 5-amino-3-((4'-((6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo)-3,3'-dimethyl (1,1'-biphenyl)-4-yl)azo)-4-hydroxynaphthalene-2,7-disulphonate
5-Amino-3-[[4'-[(6-amino-1-hydroxy-3-sulfonaphthalen-2-yl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxy-2,7-naphthalenedisulfonic acid trisodium salt
5-Amino-3-[[4'-[(6-amino-1-hydroxy-3-sodiosulfo-2-naphthalenyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-4-hydroxynaphthalene-2,7-disulfonic acid disodium salt
2,7-Naphthalenedisulfonic acid, 5-amino-3-[[4'-[(6-amino- 1-hydroxy-3-sulfo-2-naphthalenyl)azo]-3,3'-dimethyl [1,1'-biphenyl]-4-yl]azo]-4-hydroxy-, trisodium salt
trisodium,(3Z)-5-amino-3-[[4-[4-[(2E)-2-(6-amino-1-oxo-3-sulfonatonaphthalen-2-ylidene)hydrazinyl]-3-methylphenyl]-2-methylphenyl]hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate | [EINECS(EC#)]
229-152-8 | [Molecular Formula]
C34H29N6NaO11S3 | [MOL File]
6420-22-0.mol | [Molecular Weight]
816.81 |
| Hazard Information | Back Directory | [Preparation]
3,3′-Dimethylbenzidine double nitriding, in alkaline conditions first and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, and then in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling. | [Properties and Applications]
blue. Soluble in water for deep purple, soluble in ethanol. The strong sulfuric acid for blue, for purple diluted. The dye solution to join strong hydrochloric acid for dark purple; Add thick sodium hydroxide solution for dark purple. |
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